Gambaran Distribusi Faktor Risiko Retardasi Mental di Sekolah Luar Biasa Kota…

Mental retardation is a world problem with major implications especially for developing countries. Around 3% of world's population suffer mental retardation. The risk factor of mental retardation are prenatal factors, perinatal, and postnatal. The purpose of this study was to determine the profile of children with mental retardation and their risk factors at special school in Pekanbaru. Th…